_________ form molecules - ANSWER atoms
Molecules form ___________ - ANSWER organelles
Molecules form organelles inside of many ______ - ANSWER cells
An _________ consists of one or more cells - ANSWER organism
In most multicellular organs, cells form ______ and then ________ and
____________ systems - ANSWER cells form tissues and then organs and
then organ systems
Whether unicellular or multicellular, multiple individuals of the species make
up ________________ - ANSWER populations
multiple populations form _______________. - ANSWER communities
Ecosystems include: - ANSWER living communities plus their non-living
environment
the _____________ is composed of all the world's ecosystems - ANSWER
biosphere
_____________ _____________ arise from interactions among the parts of an
organism - ANSWER emergent properties
Life requires ______ to maintain its organization and functions - ANSWER
energy
producers: - ANSWER make their own food, using energy and nutrients
extracted from the nonliving environment
,consumers: - ANSWER eat other organisms, living or dead.
decomposers: - ANSWER recycle nutrients to the nonliving environment
Because of ______ _________, all ecosystems require constant energy input
from an outside source, usually the sun - ANSWER heat losses
Organisms must maintain __________, an internal state of constancy in
changing environmental conditions - ANSWER homeostasis
Organisms reproduce __________, _________, or ____________ - ANSWER
asexually, sexually, or both
Asexual reproduction: - ANSWER yields virtually identical copies of one
parent
sexual reproduction - ANSWER generate tremendous genetic diversity by
combining and scrambling DNA from two parents
in _______ _______, environmental conditions select for organisms with
inherited traits (adaptions) that increase the chance of survival and reproduction
- ANSWER natural selection
inherited traits - ANSWER (adaptions)
____________ through natural selection explains how common ancestry
explains how common ancestry unites all species, producing diverse organisms
with many similarities - ANSWER evolution
Taxonomy is the science of - ANSWER classification
Biologists classify types of - ANSWER organisms
The basic unit of classification, ____________, designates a distinctive type of
organism - ANSWER species
A ______, consists of closely related species - ANSWER genus
, The two broadest taxonomic levels are ___________ and __________ -
ANSWER domain and kingdom
the three domains of life are : - ANSWER Archaea, Bacteria, and Eukarya
within each domain, mode of nutrition and other features distinguish the : -
ANSWER kingdoms
Scientific inquiry, which uses the ____________ _______, is a way of using
evidence to evaluate ideas about the natural world - ANSWER scientific
method
a scientist makes observations, raises questions, and uses reason to construct a
testable explanation, or ____________ - ANSWER hypothesis
Specific _______________ follow from a scientific hypothesis - ANSWER
predictions
after collecting data and making conclusions based on the evidence, the
investigator may seek to publish scientific results. _______ ______ ensures that
published studies meet high standards for quality - ANSWER peer review
an ________ is a test of a hypothesis carried out in controlled conditions -
ANSWER experiment
the larger the ___________ size, the more credible the results of an experiment
- ANSWER sample
___________ are changeable elements in an experiment - ANSWER variables
the ____________ ________ is the factor that the investigator manipulates -
ANSWER independent variable
the _____________ ___________ is what the investigator measures to
determine the outcome of the experiment - ANSWER dependent variable
_______________ variables are held constant for all subjects, including the
________ group - ANSWER standardized. control
Molecules form ___________ - ANSWER organelles
Molecules form organelles inside of many ______ - ANSWER cells
An _________ consists of one or more cells - ANSWER organism
In most multicellular organs, cells form ______ and then ________ and
____________ systems - ANSWER cells form tissues and then organs and
then organ systems
Whether unicellular or multicellular, multiple individuals of the species make
up ________________ - ANSWER populations
multiple populations form _______________. - ANSWER communities
Ecosystems include: - ANSWER living communities plus their non-living
environment
the _____________ is composed of all the world's ecosystems - ANSWER
biosphere
_____________ _____________ arise from interactions among the parts of an
organism - ANSWER emergent properties
Life requires ______ to maintain its organization and functions - ANSWER
energy
producers: - ANSWER make their own food, using energy and nutrients
extracted from the nonliving environment
,consumers: - ANSWER eat other organisms, living or dead.
decomposers: - ANSWER recycle nutrients to the nonliving environment
Because of ______ _________, all ecosystems require constant energy input
from an outside source, usually the sun - ANSWER heat losses
Organisms must maintain __________, an internal state of constancy in
changing environmental conditions - ANSWER homeostasis
Organisms reproduce __________, _________, or ____________ - ANSWER
asexually, sexually, or both
Asexual reproduction: - ANSWER yields virtually identical copies of one
parent
sexual reproduction - ANSWER generate tremendous genetic diversity by
combining and scrambling DNA from two parents
in _______ _______, environmental conditions select for organisms with
inherited traits (adaptions) that increase the chance of survival and reproduction
- ANSWER natural selection
inherited traits - ANSWER (adaptions)
____________ through natural selection explains how common ancestry
explains how common ancestry unites all species, producing diverse organisms
with many similarities - ANSWER evolution
Taxonomy is the science of - ANSWER classification
Biologists classify types of - ANSWER organisms
The basic unit of classification, ____________, designates a distinctive type of
organism - ANSWER species
A ______, consists of closely related species - ANSWER genus
, The two broadest taxonomic levels are ___________ and __________ -
ANSWER domain and kingdom
the three domains of life are : - ANSWER Archaea, Bacteria, and Eukarya
within each domain, mode of nutrition and other features distinguish the : -
ANSWER kingdoms
Scientific inquiry, which uses the ____________ _______, is a way of using
evidence to evaluate ideas about the natural world - ANSWER scientific
method
a scientist makes observations, raises questions, and uses reason to construct a
testable explanation, or ____________ - ANSWER hypothesis
Specific _______________ follow from a scientific hypothesis - ANSWER
predictions
after collecting data and making conclusions based on the evidence, the
investigator may seek to publish scientific results. _______ ______ ensures that
published studies meet high standards for quality - ANSWER peer review
an ________ is a test of a hypothesis carried out in controlled conditions -
ANSWER experiment
the larger the ___________ size, the more credible the results of an experiment
- ANSWER sample
___________ are changeable elements in an experiment - ANSWER variables
the ____________ ________ is the factor that the investigator manipulates -
ANSWER independent variable
the _____________ ___________ is what the investigator measures to
determine the outcome of the experiment - ANSWER dependent variable
_______________ variables are held constant for all subjects, including the
________ group - ANSWER standardized. control
